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Sankey diagrams are a data visualisation technique or flow diagram that emphasizes flow/movement/change from one state to another or one time to another,[1] in which the width of the arrows is proportional to the flow rate of the depicted extensive property.
Sankey diagrams can also visualize the energy accounts, material flow accounts on a regional or national level, and cost breakdowns.[2] The diagrams are often used in the visualization of material flow analysis.
Sankey diagrams emphasize the major transfers or flows within a system. They help locate the most important contributions to a flow. They often show conserved quantities within defined system boundaries.
- ^ Otto, Ethan; Culakova, Eva; Meng, Sixu; Zhang, Zhihong; Xu, Huiwen; Mohile, Supriya; Flannery, Marie (13 May 2022). "Overview of Sankey Flow Diagrams: Focusing on Symptom Trajectories in Older Adults with Advanced Cancer". Journal of Geriatric Oncology. 13 (5): 742–746. doi:10.1016/j.jgo.2021.12.017. PMC 9232856. PMID 35000890.
- ^ Schmidt, Mario (2008). "The Sankey Diagram in Energy and Material Flow Management - Part II: Methodology and Current Applications". Journal of Industrial Ecology. 12 (2): 173–185. doi:10.1111/j.1530-9290.2008.00015.x. ISSN 1530-9290.